egg-szjcomo-image

Install

$ npm i egg-szjcomo-image --save

Usage

// {app_root}/config/plugin.js
exports.szjimage = {
  enable: true,
  package: 'egg-szjcomo-image',
};

Configuration

// {app_root}/config/config.default.js
exports.szjimage = {
	/**
	 * [ttf 配置字体文件]
	 * @type {[type]}
	 */
	ttf:null,
	/**
	 * [ttfname 字体名称]
	 * @type {[type]}
	 */
	ttfname:null
};
// 有一个默认中文字体 szjcomo 黑体

see config/config.default.js for more detail.

Example

(async () => {
	//创建一建画布
	let canvas = app.szjimage.createCanvas(w,h);
	let context = canvas.getContext('2d');
	let image = app.szjimage.loadImage(imagepath);
	context.drawImage(image,0,0,image.width,image.height);
	let buffer = canvas.toBuffer('image/jpeg');
	return buffer;
})()

更多用法请参数canvas库